AC

Andrew Philip Churchill

CL Churchill Drilling Tools Limited: 2 patents #1 of 1Top 100%
Overall (2020): #194,365 of 565,922Top 35%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10590737 Downhole sealing and actuation 2020-03-17
10544655 Method and apparatus for severing a drill string 2020-01-28